﻿/*   
    Copyright (C) 2009 Galaktika Corporation ZAO

    This file is a part of UILibrary.OLAP
 
    UILibrary.OLAP is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
      
    You should have received a copy of the GNU General Public License
    along with UILibrary.OLAP.  If not, see <http://www.gnu.org/licenses/>.
  
    If GPL v.3 is not suitable for your products or company,
    Galaktika Corp provides UILibrary.OLAP under a flexible commercial license
    designed to meet your specific usage and distribution requirements.
    If you have already obtained a commercial license from Galaktika Corp,
    you can use this file under those license terms.
*/

using System;

namespace Ranet.Olap.Mdx
{
	public enum MdxConstantKind
	{
		String,
		Integer,
		Float,
		Variable,
		Unknown
	}
	public sealed class MdxConstantExpression : MdxExpression
	{
		public MdxConstantExpression(string value)
			: this(value, MdxConstantKind.String)
		{
		}
		public MdxConstantExpression(string value, MdxConstantKind kind)
		{
			if (value == null)
			{
				throw new ArgumentNullException("value");
			}

			m_Value = value;
			m_Kind = kind;
		}


		private MdxConstantKind m_Kind = MdxConstantKind.Unknown;

		public MdxConstantKind Kind
		{
			get
			{
				return m_Kind;
			}
		}
		private string m_Value;
		public string Value
		{
			get
			{
				return m_Value;
			}
		}
		public string AsString
		{
			get
			{
				return m_Value;
			}
		}
		public override string SelfToken
		{
			get { return AsString; }
		}

		public override object Clone()
		{
			return new MdxConstantExpression(
					this.Value,
					this.Kind);
		}
	}
}
